Kärcher Pressure Washer Cylinder Head - 9.001-105.0
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GENUINE KARCHER SPARES Cylinder Pump Head (9001105 9.001-105.0)Free delivery in 1–3 days£36.95Visit shop →
Karcher Pressure Washer Cylinder Head 9.001-105.0 - Genuine Karcher PartFree delivery in 1–3 days£36.99Visit shop →
Product Information
Full details
This genuine Kärcher cylinder head is an essential replacement component designed for DIY enthusiasts and homeowners looking to restore their pressure washer to peak performance. It provides a reliable, pressure-tight seal necessary for restoring water pressure and machine efficiency across K2 to K5 series models, though users should ensure they have the mechanical aptitude to perform internal pump maintenance before attempting installation.
All features
| Model Part Number | 9.001-105.0 |
|---|---|
| Brand | Kärcher |
Extended Product Information
FAQs
How do I know if this part fits my specific pressure washer?
Check the stamp on your existing cylinder head. If it reads 9.036-303.0, this part is a direct match.
Is this a difficult repair to perform?
It requires medium mechanical skill. You must be able to open the machine casing and manage internal pump seals.
Does this part include the internal valves?
This part is the cylinder head housing. You should transfer existing valves or replace them if they are also worn.
Can this fix a machine that pulses during operation?
Yes, pulsing is often caused by air leaks or pressure loss within the cylinder head assembly.
Why does the cylinder head crack?
The most common cause is freezing water left inside the pump during winter storage, which expands and breaks the housing.
Troubleshooting
Water leaking from the center of the pump housing
The cylinder head may be cracked. Inspect the old unit for hairline fractures and replace it with the new 9.001-105.0 part.
Pressure is still low after installation
Check that the internal valves and O-rings are seated correctly and not pinched during reassembly of the head.
Pros and Cons
Pros
- Ensures exact OEM fitment for Kärcher series washers
- Restores full pressure performance to older units
- High-quality materials ensure long-term durability
- Prevents internal water leaks that damage electrical components
Cons
- Requires disassembly of the pump housing
- May require additional seals or O-rings depending on the specific model age
- Not suitable for users without basic mechanical experience
Setup, Compatibility & Care
To install this part, ensure the pressure washer is disconnected from both the water supply and the electrical power outlet. Access the pump assembly by removing the plastic casing, taking care to note the orientation of all internal valves and springs. The 9.001-105.0 head is compatible with K2, K3, K4, and K5 series washers; however, always verify the stamp on your existing unit matches 9.036-303.0 before assembly. To prevent future damage, always drain your pressure washer completely before storing it in unheated sheds during winter months to prevent the water inside the cylinder from freezing and cracking the new part.